ASIX ELECTRONICS CORPORATION

21

CONFIDENTIAL

AX88872P Swipeater Controller

PRELIMINARY

Notes:

a.

PART7~0indicates partition status for each port

b.

JAB7~0 indicates jabber status for each port

c.

ACT7~0 indicates activity status for each port

d.

RID3~0 is the ID of repeater chip

e.

10M UTI5~0 indicate global utilization rate of 10Mbps for each 104.8ms sampling period.

f.

100M UTI5~0 indicate global utilization rate of 100Mbps for each 104.8ms sampling period.

g.

SW UTI5~0 indicate global utilization rate of Switch packet buffers for each 104.8ms sampling period.

h.

RAM FAIL : Switch RAM test fail.

It has to use external shift register to decode data on LED[1:0]. The application shows as follows:

74LS164(#1)

Q

0

Q

1

Q

2

Q

3

Q

4

Q

5

Q

6

Q

7

D

LED[0]

LED_CK

74LS164(#3)

Q

0

Q

1

Q

2

Q

3

Q

4

Q

5

Q

6

Q

7

D

74LS164(#2)

Q

0

Q

1

Q

2

Q

3

Q

4

Q

5

Q

6

Q

7

D

Fig - 3

Application for LED display

If the user don‘t want to show jabber status, take away the latter 74LS164(#2). The application is the same for

LED[1].